Volume 1, Issue 3 (2012)                   JCP 2012, 1(3): 221-228 | Back to browse issues page

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Rafiee-Dastjerdi H, Hassanpour M, Nouri-Ganbalani G, Golizadeh A, Sarmadi S. Sublethal effects of indoxacarb, imidacloprid and deltamethrin on life table parameters of Habrobracon hebetor (Hymenoptera: Braconidae) in pupal stage treatment. JCP. 1 (3) :221-228
URL: http://jcp.modares.ac.ir/article-3-4389-en.html
1- Department of Plant Protection, Faculty of Agriculture, University of Mohaghegh Ardabili, Ardabil, Iran
Abstract:   (5753 Views)
Habrobracon hebetor Say (Hymenoptera: Braconidae) as an ectoparasitoid of larval stage of lepidopterous pests is widely used in biological control programs. In the present research, the effect of field recommended doses of imidacloprid, indoxacarb and deltamethrin were studied on life table parameters of H. hebetor in pupal stage treatment. One hundred, two-day-old pupae were treated with 1 micro liter insecticide solution using topical method. The pupae were treated with acetone in the control. Thirty emerged adults in each treatment were transferred individually to a Petri dish along with a male for mating. Three last instar larvae of Anagasta kuehniella (Zeller) (Lepidoptera: Pyralidae) were presented to each female wasp daily as host. The numbers of eggs produced per female per day were counted until all of the females were dead. The gross and net reproductive rates in control, imidacloprid, indoxacarb and deltamethrin were 204.6, 207.7, 209.1 and 112.1 and also 75, 41.3, 64.6 and 14.9, respectively. Intrinsic rates of increase were estimated to be 0.215, 0.154, 0.205 and 0.14 female offspring/female/day, respectively. Deltamethrin and imidacloprid had the most adverse effects on life table parameters of H. hebetor. Intrinsic rate of increase was not significantly affected by indoxacarb. These findings indicated that indoxacarb was relatively safe for H. hebetor and could be an appropriate candidate in integrated chemical and biological control.
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Received: 2012/05/21 | Accepted: 2012/06/30 | Published: 2012/08/1

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